FX25 4A 25W / FX35 5A 35W Electronic Load Battery Capacity Tester
Precision-engineered for accurate battery testing with adjustable constant current (0.01-4A for FX25, 0.01-5A for FX35) and power range up to 25W/35W. Features a durable aluminum alloy housing for heat dissipation and a bright OLED display for real-time voltage/current/power monitoring. Ideal for testing lithium-ion, NiMH, lead-acid batteries, USB power banks, and lab power supplies. Supports four modes: CC, CV, CR, and CP, with built-in cooling fan for stable long-term operation. Compact, portable design with USB-C input compatibility. Perfect for engineers, hobbyists, and quality control in electronics manufacturing. Trusted by professionals for reliable, repeatable results at unbeatable wholesale pricing.